Mohs Hardness Scale

Front

What is the Mohs Hardness Scale?

Back

A scale that ranks minerals based on their ability to scratch one another, ranging from 1 (talc) to 10 (diamond).

Front

What mineral is ranked #1 on the Mohs Hardness Scale?

Back

Talc.

Front

What mineral is ranked #10 on the Mohs Hardness Scale?

Back

Diamond.

Front

What is the hardness rating of Quartz?

Back

7.

Front

Which mineral is ranked #8 on the Mohs Hardness Scale?

Back

Topaz.

Front

If a mineral can be scratched by a mineral with a hardness of 3, what is its hardness rating?

Back

Less than 3.

Front

True or False: Diamond is the hardest mineral on the Mohs Hardness Scale.

Back

True.

Front

Which property is NOT used to identify minerals?

Back

Size.

Front

What is the hardness rating of Corundum?

Back

9.

Front

If a mineral is scratched by Quartz, what must its hardness rating be?

Back

Less than 7.